Stainless Steel 309H Pipes
Stainless Steel 309H Pipes & Tubes
SS 309H Pipes & Tubes designed for high-temperature service, oxidation resistance and demanding industrial process applications.
- SS 309H
- Seamless
- ERW
- Welded
- Large Diameter
SS 309H Pipes & Tubes
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Stainless Steel 309H Pipes & Tubes. We offer SS 309H products in seamless, ERW, welded, fabricated and LSAW forms for demanding industrial and high-temperature applications.
Stainless Steel 309H is a high-alloy austenitic stainless steel grade known for its elevated chromium and nickel content and its resistance to oxidation and high-temperature environments. It is commonly selected for furnace equipment, heat treatment systems, petrochemical plants, thermal processing and other high-temperature applications where the grade is suitable.
Our SS 309H Pipes & Tubes are available in standard as well as large diameter sizes, with customized thicknesses, lengths, ends and configurations according to project requirements.
Key Features of SS 309H Pipes & Tubes
High-Temperature Performance
Suitable for selected elevated-temperature industrial services.
Oxidation Resistance
High chromium content provides useful resistance to oxidation in elevated-temperature environments.
Large Diameter Availability
Available in large diameter sizes for specialized industrial piping requirements.
Multiple Product Forms
Seamless, ERW, welded, fabricated and LSAW options available.
SS 309H Technical Specifications
| Material Grade | Stainless Steel 309H |
|---|---|
| Specifications | ASTM A213 / ASME SA213, ASTM A249, ASTM A269, ASTM A312 / ASME SA312, ASTM A358 |
| Dimensions | ASTM, ASME, API and customer-specific requirements |
| General Size | 1/8" NB to 30" NB |
| 309H Pipes & Tubes | 6 NB to 1200 NB |
| 309H Tubing Range | 1/2" OD – 12" OD |
| Tubing Gauge | 25 SWG – 10 SWG |
| ERW 309H Pipes & Tubes | 1/2" NB – 24" NB |
| EFW 309H Pipes & Tubes | 6" NB – 100" NB |
| Outer Diameter | 6.00 mm up to 914.4 mm |
| Specialization | Large Diameter Sizes |
| Thickness / Schedules | SCH 20, SCH 30, SCH 40, STD, SCH 60, SCH 80, XS, SCH 120, SCH 140, SCH 160, XXS |
| Type | Seamless, ERW, Welded, Fabricated & LSAW Pipes |
| Form | Round, Square, Rectangular & Hydraulic |
| Length | Single Random, Double Random & Cut Length |
| Ends | Plain End, Beveled End & Threaded |
Chemical Composition of SS 309H
| Element | Minimum | Maximum |
|---|---|---|
| Chromium (Cr) | 22.0% | 24.0% |
| Nickel (Ni) | 12.0% | 15.0% |
| Carbon (C) | 0.04% | 0.10% |
| Manganese (Mn) | — | 2.00% |
| Silicon (Si) | — | 0.75% |
| Phosphorus (P) | — | 0.045% |
| Sulfur (S) | — | 0.03% |
| Iron (Fe) | Balance | — |
Mechanical Properties of SS 309H
| Property | SS 309H |
|---|---|
| Density | Approx. 8.0 g/cm³ |
| Melting Point | Approx. 1400°C |
| Tensile Strength | 515 MPa Min. |
| Yield Strength (0.2% Offset) | 205 MPa Min. |
| Elongation | 40% Min. |
| Hardness | 217 HB Max.* |
* Values may vary according to the applicable product standard, product form, dimensions and heat-treatment condition. Refer to the relevant material standard and material test certificate for final acceptance values.
SS 309H Pipes & Tubes Product Types
SS 309H Seamless Pipes
Suitable for demanding industrial and elevated-temperature piping applications.
SS 309H ERW Pipes
Available for industrial piping and fabrication requirements.
SS 309H Welded Pipes
Available in various sizes and customized configurations.
SS 309H LSAW Pipes
Large-diameter welded pipe option for specialized applications.
SS 309H Large Diameter Pipes
Suitable for large-scale industrial piping requirements.
SS 309H Hydraulic Tubes
Precision tubing for specialized engineering requirements.
Industries & Applications
- Furnace Equipment
- Heat Treatment
- Petrochemical
- Oil & Gas
- Power Generation
- Chemical Processing
- Refineries
- Thermal Processing
- Industrial Boilers
- Process Equipment
- Marine
- General Engineering
Quality & Inspection
Dimensional Inspection
Verification of diameter, wall thickness, length and other specified dimensions.
Visual Inspection
Surface and visual inspection according to applicable requirements.
Material Verification
Chemical and material verification as required by specification.
Documentation
Material and inspection documentation can be provided according to project requirements.
Why Choose SS 309H Pipes & Tubes?
High-Temperature Grade
Designed for demanding elevated-temperature service conditions.
High Chromium & Nickel
Alloy composition provides useful oxidation and corrosion resistance.
Large Diameter Capability
Suitable for specialized large-diameter piping requirements.
Multiple Configurations
Seamless, ERW, welded and LSAW options available.
Stainless Steel 309H Pipes & Tubes Manufacturer in India
Sawariya Metal Industries manufactures, supplies and exports Stainless Steel 309H Pipes & Tubes in seamless, ERW, welded, fabricated and LSAW configurations. Our SS 309H products are available in multiple sizes, thicknesses, schedules, lengths and end configurations.
SS 309H Pipes & Tubes are commonly selected for high-temperature industrial applications including furnace equipment, thermal processing, petrochemical plants, process equipment and other elevated-temperature services where the material grade is suitable.
We supply Stainless Steel 309H Seamless Pipes, SS 309H ERW Pipes, SS 309H Welded Pipes, SS 309H LSAW Pipes, Large Diameter SS 309H Pipes and SS 309H Tubes for customers across India and international markets.
Other Stainless Steel 309H Products
SS 309H Pipes & Tubes · SS 309H Seamless Pipes · SS 309H ERW Pipes · SS 309H Welded Pipes · SS 309H LSAW Pipes · SS 309H Large Diameter Pipes · SS 309H Tubes · SS 309H Hydraulic Tubes